6.44.8. statistics

<statistics>
  <statistic href="/ovirt-engine/api/disks/123/statistics/456" id="456">
    <name>data.current.read</name>
    <description>Read data rate</description>
    <kind>gauge</kind>
    <type>decimal</type>
    <unit>bytes_per_second</unit>
    <values>
      <value>
        <datum>1052</datum>
      </value>
    </values>
    <disk href="/ovirt-engine/api/disks/123" id="123"/>
  </statistic>
  ...
</statistics>

GET /ovirt-engine/api/disks/123/statistics